8.5.19

#include <iostream>
using namespace std;


template <typename N>
N** readArray2D(int rows, int collums) {
    N** arr = new N * [rows];

    for (int i = 0, j; i < rows; i++) {
        arr[i] = new N[collums];

        for (j = 0; j < collums; j++) {
            cin >> arr[i][j];
        }
    }
    return arr;
}

template <typename N>
void printArray2D(N** arr, int rows, int collums) {
    for (int i = 0, j; i < rows; i++) {
        for (j = 0; j < collums; j++)
            cout << arr[i][j] << " ";
        cout << endl;
    }
}

template <typename N>
void customPrintArray2D(N** arr, int rows, int collums) {
    bool reverse = false;
    for (int i = 0, j; i < rows; i++) {
        if (reverse)
            for (j = collums - 1; j >= 0; j--)
                cout << arr[i][j] << " ";
        else
            for (j = 0; j < collums; j++)
                cout << arr[i][j] << " ";
        cout << endl;
        reverse = !reverse;
    }
}

int main() {
    cout << "Enter Row and Collum count: ";
    int r = 0, c = 0;
    while (r < 1)
        cin >> r;
    while (c < 1)
        cin >> c;

    // Заменить double на любой другой тип
    auto** a = readArray2D<double>(r, c);

    cout << "Result: \n";
    customPrintArray2D(a, r, c);

}